positive feedback triggers the anterior pituitary to release more FSH and LH. more FSH and LH cause the ovary to produce more estrogen. the ensuing LH surge is responsible for ovulation.
Winston-Salem Average Weather. 1  The highest monthly average temperature in Winston-Salem for August is 78 degrees. 2  The lowest monthly average temperature in Winston-Salem for January is 42 degrees.  The most monthly precipitation in Winston-Salem occurs in June with 4.4 inches.
Winston-Salem-area historical tornado activity is slightly below North Carolina state average. It is 25% smaller than the overall U.S. average. On 5/22/1985, a category F3 (max. wind speeds 158-206 mph) tornado 0.6 miles away from the Winston-Salem city center caused between $500,000 and $5,000,000 in damages.